Q:

How to get the environment variables using syscall in Golang?

belongs to collection: Golang syscall Package Programs

YasminRadwan26
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2022-07-05
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In the Go programming language, to get environment variables using syscall – we use the Environ() function of the the syscall package. The Environ() function returns an array of strings populated with your environment variables.

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YasminRadwan26
2022-07-05
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Syntax:

func Environ() []string

Consider the below example demonstrating how to get environment variables using syscall in Golang?

package main

import (
	"fmt"
	"syscall"
)

func main() {
	// Using the Environ() function
	// Getting the environment variables
	env := syscall.Environ()

	// Printing
	fmt.Println("Environment variables:")
	for i := range env {
		fmt.Println(env[i])
	}
}

Output

Environment variables:
LANGUAGE=en_US:en
HOSTNAME=Check
HOME=/
GOROOT=/usr/local/go
TERM=xterm
PATH=/opt/swift/swift-5.0-RELEASE-ubuntu14.04/usr/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
DISPLAY=:1
LANG=en_US.UTF-8
DEBIAN_FRONTEND=noninteractive
GOCACHE=/home/.cache
LC_ALL=en_US.UTF-8
PWD=/home

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